body{margin: 0;padding: 0;width: 1355px;margin: 0 auto;}


.body_top {height: 128px;width: 1367px;background-color:#25465d ;}
.body_top .body_top_main_text{width: 263px; margin-left: 50px;;margin-top: 37px;}
.body_top .body_top_logo{margin-right: 33px;float: right;margin-top: 28px;}


.body_middle .body_middle_left{width: 322px;height:800px;background-color: #e5e5e5;}
.body_middle .body_middle_left .left_top{height: 100px;border: 1px solid black;}
.body_middle .body_middle_left .left_top .top_head{margin-left: 20px;margin-top: 20px;}
